The roof then becomes part of a healthy and balanced microecosystem, supporting biodiversity. "Long-term irrigation of a green roof is no more costly than any other planting area," he says.

This fact makes green roofs more practical for new development rather than retrofitting. There are a number of design considerations that will affect the efficiency of green roofs. Some of these ...

“The bottom line is that green roofs can make Los Angeles a much better, more livable city,” says Steven Peck, founder and president of Green Roofs for Healthy Cities, a Toronto-based ...

An architectural organization unveiled a new "green" roof for its own building Wednesday to showcase a trend toward environmentally-friendly technology.

A 'Green Roof' Movement to Counter Pollution Rain runoff from roofs of buildings across the United States adds to the pollution of lakes and streams and can overburden sewage systems and storm drains.

Thirsty green roof plantings are good for lightening the water load on municipal city drains, but they're even better for reducing the draining energy costs on big industrial buildings.

The new Green Roof Professional, or GRP system, should roll out sometime next year, he said. In the meantime, Green Roofs for Healthy Cities has grown to include more than 80 corporate members and ...

Rooftops aren’t just for shingles and solar panels anymore. Increasingly, they’re for the birds, the bees and the trees. Green roofs, which have been common in Europe for more than 40 years ...

When David Michaels moved to Chicago this year, he chose the Emme apartment building in part because of the third-floor green roof, which has a lawn, an area for grilling, fire pits and a 3,000 ...

In addition to the green roof, there will be outdoor classrooms and what are known as healing gardens. The school is scheduled to open next summer. Walton announced the medical school's formation ...